The EVK1100 provides a 4x20 LCD to design Human to Machine Interface for software developments. The LCD reference is the EA-DIP204B-4NLW, a white/blue screen with 4 lines of 20 characters.
ADJ2 potentiometer can be used to adjust backlight.
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The LCD is used as a SPI component.
The pinout is as follow :
LCD Pin | GPIO Name | Alternate function used |
---|---|---|
5 | PA 16 | SPI1_MOSI |
7 | PA 17 | SPI1_MISO |
6 | PA 15 | SPI1_CLK |
4 | PA 19 | SPI1_CS2 |
18 | PB 18 | PWM_6 |
see below the hardware schematic :
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The following settings must be applied to use the LCD :
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